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Priority to RO1987131376ApriorityCriticalpatent/RO101261A2/en
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Publication of RO101261A2publicationCriticalpatent/RO101261A2/en
Heat Treatments In General, Especially Conveying And Cooling
(AREA)
Abstract
Inventia se refera la un dispozitiv pentru racirea barelor metalice, destinat, în special, racirii diferentiale a unor bare încalzite uniform. Dispozitivul conform inventiei, este alcatuit din doua corpuri alipite, formând împreuna o suprafata conica, în continuarea careia se afla o suprafata generala de un arc de cerc. în spatele acestor suprafete sunt prevazute doua camere semicirculare, din care, prin niste ajutaje sub forma de panta semicirculara, se sufla aerul. Aerul constituie agentul de racire, se asterne pe suprafata prin efect Coanda, rezultând astfel o distributie descrescatoare a vitezei si densitatii acestuia.The invention relates to a device for cooling the metal bars, intended in particular for differential cooling of uniformly heated rods. The device according to the invention consists of two cohesive bodies, forming together a conical surface, along which there is a general surface of a circular arc. Behind these surfaces are two semi-circular chambers, of which, by means of some semicircular slope nozzles, the air is blown. The air is the cooling agent, it coats on the surface by Coanda effect, resulting in a decreasing distribution of its velocity and density.